🛠️ Invention or technique

Vacuum servo

Servofreno

Date
1909 · confidence high
Place
Liège, Belgium
Credited to
Albert Dewandre
Field
Movement

What it is

System that uses engine-generated vacuum to multiply brake-pedal force and reduce driver effort; devised by Albert Dewandre.

What it led to

  • Widespread adoption of the brake booster in cars
  • Improved braking safety
  • Later integration with ABS systems
  • Standardization in passenger and commercial vehicles

Links

Sources✓ verified 2026-09-28